SIERRA MerCruiser 3-Inch Exhaust Riser Spacer – 18-1908

Description

SIERRA MerCruiser 3-Inch Exhaust Riser Spacer – 18-1908

Three-inch exhaust manifold riser spacer for selected MerCruiser center-rise V6 and V8 exhaust systems. The cast spacer increases riser height by approximately 76 mm to suit installations requiring additional exhaust elevation.

• 3 in / approximately 76 mm riser spacer
• Cast marine exhaust component
• Raises exhaust outlet/riser height
• For selected MerCruiser center-rise systems
• Confirm bolt pattern and cooling-passage arrangement before installation

For marine engine and drive parts, fitment can vary by serial number, gear ratio, casting, or prior service history. Compare the original part number and physical configuration before installation; replace related gaskets, seals, races or hardware when their condition requires it.

Specifications

• Manufacturer: Sierra
• Part Number: 18-1908
• Application: Selected MerCruiser center-rise V6/V8 exhaust systems using OEM spacer assembly 93320A13; verify manifold/riser pattern.
• 3 in / approximately 76 mm riser spacer

Interchange / OEM References

• MerCruiser 93320A13